type TBitmapFormat int
const (
  BITMAP_FMT_NONE TBitmapFormat = C.BITMAP_FMT_NONE
  BITMAP_FMT_RGBA8888 TBitmapFormat = C.BITMAP_FMT_RGBA8888
  BITMAP_FMT_ABGR8888 TBitmapFormat = C.BITMAP_FMT_ABGR8888
  BITMAP_FMT_BGRA8888 TBitmapFormat = C.BITMAP_FMT_BGRA8888
  BITMAP_FMT_ARGB8888 TBitmapFormat = C.BITMAP_FMT_ARGB8888
  BITMAP_FMT_RGB565 TBitmapFormat = C.BITMAP_FMT_RGB565
  BITMAP_FMT_BGR565 TBitmapFormat = C.BITMAP_FMT_BGR565
  BITMAP_FMT_RGB888 TBitmapFormat = C.BITMAP_FMT_RGB888
  BITMAP_FMT_BGR888 TBitmapFormat = C.BITMAP_FMT_BGR888
  BITMAP_FMT_GRAY TBitmapFormat = C.BITMAP_FMT_GRAY
  BITMAP_FMT_MONO TBitmapFormat = C.BITMAP_FMT_MONO
)
